html{
    height: 100%;
    width: 100%;
}
body {
    margin: 0 !important;
    padding: 0;
    height: 100%;
    width: 100%;
    font-family: 'PingFang SC Medium', serif;
}

#app{
    height: 100%;
    width: 100%;
    font-family: 'PingFang SC Medium', serif;
}